In both a and b the acceleration on the 5-kg box m is as, Ask an Expert

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In both (a) and (b) the acceleration on the 5-kg box (M) is as large as it can be without the box sliding. Find the coefficient of static friction for each case if the magnitude of the acceleration is 4 m/s².

(a) The box is on the bed of a truck that is accelerating on flat ground.

683_The box is on the bed of a truck.png

(b) The box is in a skiing gondola on its way to the top of the mountain. The gondola does not swing during the motion.

296_The box is in a skiing gondola.png

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